CN104410828A - Home monitoring method and apparatus - Google Patents
Home monitoring method and apparatus Download PDFInfo
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- CN104410828A CN104410828A CN201410697245.4A CN201410697245A CN104410828A CN 104410828 A CN104410828 A CN 104410828A CN 201410697245 A CN201410697245 A CN 201410697245A CN 104410828 A CN104410828 A CN 104410828A
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Abstract
An embodiment of the invention provides a home monitoring method and apparatus. The method includes: acquiring monitoring data, acquired by a video acquisition device, of an area to be monitored; converting and multiplexing the monitoring data to obtain transport stream; demultiplexing the transport stream to obtain a program corresponding to the monitoring data; segmenting the program corresponding to the monitoring data to obtain segments included in the program corresponding to the monitoring data; encrypting the segments included in the program corresponding to the monitoring data, and authenticating a terminal device; after the terminal device passes authentication, transmitting the encrypted segments included in the program corresponding to the monitoring data to the terminal device. The monitoring data is processed into one or multiple programs which are segmented, the segments are encrypted, the terminal device is authenticated, and accordingly, monitoring is safer.
Description
Technical field
The embodiment of the present invention relates to family's monitoring technique field, particularly relates to a kind of family method for supervising and equipment.
Background technology
Existing family monitoring technique, generally utilize network technology to couple together installing the supervisory control systems such as interior video capture device and warning of being in, by the process of middle control computer useful information preserved and be sent to other data terminals, as mobile phone, notebook, liquid crystal-spliced screen or monitor etc., make people in busy work or while travelling outdoors, can the household safe situation of long-range understanding oneself.
The defect that existing family monitoring technique exists is: family's watch-dog is easily by assault, and the family's monitored picture causing user to view on the terminal device is static picture, extreme influence monitoring fail safe.
Summary of the invention
The embodiment of the present invention provides a kind of family method for supervising and equipment, to improve monitoring fail safe.
First aspect, embodiments provide a kind of family method for supervising, method comprises:
The monitor data of the area to be monitored that described video capture device collects is obtained from video capture device;
Described monitor data is carried out conversion multiplexing process, obtains transmission code stream;
Demultiplexing process is carried out to described transmission code stream, obtains the program corresponding with described monitor data;
The program corresponding with described monitor data is split, obtains the segmentation that the program corresponding with described monitor data comprises;
The segmentation that the program corresponding with described monitor data comprises is encrypted, and certification and authentication are carried out to terminal equipment;
After terminal equipment is by certification and authentication, the segmentation that the program corresponding with described monitor data after encryption comprises is sent to described terminal equipment.
Second aspect, embodiments provide a kind of family watch-dog, this equipment comprises:
USB (UniversalSerialBus, USB) interface, for obtaining the monitor data of the area to be monitored that described video capture device collects from video capture device;
Conversion Multiplexing module, for described monitor data is carried out conversion multiplexing process, obtains transmission code stream;
Demultiplexing module, for carrying out demultiplexing process to described transmission code stream, obtains the program corresponding with described monitor data;
Segmentation module, for splitting the program corresponding with described monitor data, obtains the segmentation that the program corresponding with described monitor data comprises;
Sectional encryption module, is encrypted for the segmentation comprised the program corresponding with described monitor data, and carries out certification and authentication to terminal equipment;
Program sending module, for after terminal equipment is by certification and authentication, is sent to described terminal equipment by the segmentation that the program corresponding with described monitor data after encryption comprises.
Family's method for supervising that the embodiment of the present invention provides and equipment, transmission code stream is multiplexed with by the monitor data conversion of the area to be monitored collected by video capture device, transmission code stream is demultiplexing as program corresponding to monitor data again, the program corresponding to described monitor data splits the segmentation obtaining program and comprise, the segmentation that program comprises is encrypted, improve the fail safe of each segmentation, and certification and authentication are carried out to terminal equipment, terminal equipment is by after certification and authentication, the segmentation that the program corresponding with described monitor data of encryption comprises is sent to terminal equipment, not only ensure that the fail safe of the terminal equipment of access, and ensure that the fail safe of the sectional encryption program corresponding with monitor data sent to the terminal equipment by certification and authentication, user is made to learn the real time status of area to be monitored in family by terminal equipment, thus improve the fail safe of area to be monitored.
Accompanying drawing explanation
In order to be illustrated more clearly in the present invention, introduce doing one to the accompanying drawing used required in the present invention simply below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The flow chart of a kind of family method for supervising that Fig. 1 provides for the embodiment of the present invention one;
The module map of a kind of family watch-dog that Fig. 2 a provides for the embodiment of the present invention two;
The module map of the another kind of family watch-dog that Fig. 2 b provides for the embodiment of the present invention two;
The frame diagram of a kind of household monitoring system that Fig. 3 provides for the embodiment of the present invention three.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, be described in further detail the technical scheme in the embodiment of the present invention below in conjunction with accompanying drawing, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Be understandable that; specific embodiment described herein is only for explaining the present invention; but not limitation of the invention; based on the embodiment in the present invention; those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content.
Embodiment one
The flow chart of a kind of family method for supervising that Fig. 1 provides for the embodiment of the present invention one.The method of the embodiment of the present invention can be performed by the family's watch-dog being configured to hardware and/or software simulating, and this realizes equipment and is typically configured at and can provides in the home gateway of Video service.
As shown in Figure 1,110 ~ step 160 that the method comprising the steps of.
Step 110, obtain the monitor data of the area to be monitored that described video capture device collects from video capture device.
In this step, the monitor data of the area to be monitored that video capture device collects can be obtained by USB interface; Wherein, video capture device can be camera, video camera or video tape recorder etc., and monitor data comprises the picture data and voice data that monitor; Area to be monitored refers in family to be needed to monitor, to know the region of fail safe.
Step 120, described monitor data is carried out conversion multiplexing process, obtain transmission code stream.
In this step, if the form of described monitor data is YUV, then described monitor data is encoded to H.264 coded data, and described H.264 coded data is multiplexed with transmission code stream; If the form of described monitor data is dynamic image expert group (Moving Pictures Experts Group, MPEG), is then H.264 coded data by described monitor data transcoding, and described H.264 coded data is multiplexed with transmission code stream.
Described YUV is a kind of colour coding method that television system adopts, PAL (Phase AlterationLine, line-by-line inversion) TV broadcasting system and SECAM (SequentielCouleur A Memoire, transmit in order colored with store) color space that adopts of simulation color television system.
H.264 be by International Telecommunication Union telecommunication standards organizing video Coding Experts group (VideoCoding Experts Group, VCEG) and the joint video team that constitutes jointly of dynamic image expert group of International Organization for standardization (MPEG), the high compression digital video coding-coding device standard of proposition.
The formal review procedure of a series of video encoding standards that MPEG general reference is formulated by International Telecommunication Union's telecommunication standards organizing video Coding Experts group and dynamic image expert group of International Organization for standardization.
Described transmission code stream (Transport Stream, TS flow) refers to the many times of video code flows compressed, and the audio code stream of many times of compressions, normally by the synchronous and asynchronous of data content, all information multiplexings such as program indication information are an individual data code stream.
It should be noted that, described monitor data is changed, obtain, H.264 after coded data, described multiplexing process to be performed based on the Multiplexing module in family's watch-dog, thus obtaining the transmission code stream corresponding with described monitor data.
Step 130, demultiplexing process is carried out to described transmission code stream, obtain the program corresponding with described monitor data.
In this step, the program obtained has following several different situation.Be described respectively below.
The first: only have an area to be monitored, accordingly a video capture device is set at this guarded region, such as camera, thus monitor data corresponding for this guarded region is carried out conversion multiplexing process reconciliation multiplexing process, obtain a road program corresponding with this monitor data.
The second: monitor data can be the data of different area to be monitored, such as video capture device is separately positioned on parlor and kitchen, the monitor data that video capture device collects parlor and kitchen is obtained by different USB interface, the monitor data in parlor is carried out conversion multiplexing process, obtain transmission code stream, demultiplexing process is carried out to described transmission code stream, obtains a road program corresponding with the monitor data in parlor.The monitor data in kitchen is carried out conversion multiplexing process, obtains transmission code stream, demultiplexing process is carried out to described transmission code stream, obtain another road program corresponding with the monitor data in kitchen.Correspondingly, if arrange camera respectively in multiple area to be monitored, by multiple USB interface and multiple transcoder (wherein, multiple transcoder accessible site is in a transcoding units), or by multiple USB interface and multiple encoder (wherein, multiple encoder accessible site is in a coding unit), and after demultiplexing process, the multi-channel program corresponding from different areas to be monitored can be obtained.
The third: owing to can provide in the home gateway of Video service, there is Tuner interface and demodulation/channel decoding module usually, wherein, Tuner interface is used for the TV data that issues radio data system by the wave frequency of TV data by radio frequency (Radio Frequency, RF) intermediate frequency (IntermediateFrequency, IF) is converted to; Demodulation/channel decoding module is used for the medium-frequency IF obtained by Tuner interface conversion being converted to TS stream.Therefore, the transmission code stream that the transmission code stream that the monitor data of an area to be monitored is corresponding is corresponding with TV data, after carrying out demultiplexing process, multi-channel program can be formed, a wherein road program in multi-channel program after described demultiplexing corresponds to described monitor data, and all the other programs except this road program correspond to described TV data.
It should be noted that, if monitor data, then do not need to carry out descrambling, if TV data then needs to carry out descrambling.
4th kind: with above-mentioned the third is similar, difference is: the transmission code stream that the transmission code stream that multiple area to be monitored monitor data is separately corresponding is corresponding with TV data, after carrying out demultiplexing process, form multi-channel program, multi-channel program after described demultiplexing comprises: multi-path monitoring program and multi-channel tv programs, wherein said multi-path monitoring program corresponds respectively to the monitor data of different area to be monitored, and described multi-channel tv programs corresponds to different TV data.
The monitor data collected by video capture device is demultiplexing as one or more program, effectively be combined with normal TV programme at the described home gateway of Video service that can provide, meet remote home-monitoring simultaneously and watch the demand customizing TV programme in family whenever and wherever possible.
Which ensure that the video flowing of separate sources can smooth playing in real time, the client on mobile terminal is used as user, when accessing described gateway device by wide area network or local area network (LAN), namely freely switch in TV programme and family's monitor programme, as viewing TV programme, watch the real-time condition in family.
Step 140, the program corresponding with described monitor data to be split, obtain the segmentation that the program corresponding with described monitor data comprises.
The monitor data that video capture device collects is real-time Transmission, the program corresponding with described monitor data is split, the object obtaining the segmentation that the program corresponding with described monitor data comprises implements sectional encryption to monitor data, such as, the monitor data of 1-10 correspondence second that video capture device collects is split, be divided into the program segments two that in program segments one that in 1-5 second, monitor data is corresponding and 5-10 second, monitor data is corresponding, then the program segments two that in program segments one that in following step 150 couple 1-5 second, monitor data is corresponding and 5-10 second, monitor data is corresponding is adopted to be encrypted respectively, after hacker decodes one of them segmentation, other segmentations can not crack thereupon, further increase the fail safe of area to be monitored.
Step 150, the segmentation that the program corresponding with described monitor data comprises to be encrypted, and certification and authentication are carried out to terminal equipment.
In this step, the segmentation that the program corresponding with described monitor data comprises is encrypted, cipher mode is preferably, and dynamic generating content key, utilizes pair segmentation that the program corresponding with described monitor data comprises of the content key of described dynamic generation to be encrypted.
Particularly, the dynamic rise time of split time and content key can be preset, the rise time of the formation time of each segmentation and a dynamic content key is matched, thus the content key making different segmentations corresponding different, add decoding difficulty, ensure that the fail safe of area to be monitored.
Also the dynamic rise time of split time and content key can be preset, the formation time of segmentation of setting quantity and the rise time of a dynamic content key are matched, thus make the corresponding content key of the segmentation of current setting quantity, segmentation another content key corresponding of subsequent time setting quantity, add decoding difficulty, ensure that the fail safe of area to be monitored.
Step 160, at terminal equipment by after certification and authentication, the segmentation that the program corresponding with described monitor data after encryption comprises is sent to described terminal equipment.
In this step, preferably after terminal equipment is by certification and authentication, obtain the program request that described terminal equipment sends, and program corresponding with described monitor data for this program request is mated; If the match is successful, then the segmentation that the program corresponding with described monitor data after encryption comprises is sent to described terminal equipment.By carrying out certification and authentication to terminal equipment, the fail safe that terminal equipment accesses can be ensured.
It should be noted that, after the segmentation comprised the program corresponding with described monitor data is encrypted, buffer memory is carried out in the segmentation that program corresponding for monitor data after encryption comprises, if the program that the program request of terminal equipment transmission is corresponding with described monitor data mates, then the segmentation that the program corresponding with described monitor data after the encryption of buffer memory comprises is distributed to terminal equipment.Terminal equipment needs the segmentation that the program corresponding with described monitor data after the encryption received comprises to be decrypted, and just can watch the program corresponding with monitor data.
Family's method for supervising that the embodiment of the present invention provides, TS stream is multiplexed with by the monitor data conversion of the area to be monitored collected by video capture device, again TS stream is demultiplexing as program corresponding to monitor data, to monitor data corresponding program split the segmentation obtaining program and comprise, the segmentation that program comprises is encrypted, improve the fail safe of each segmentation, and certification and authentication are carried out to terminal equipment, terminal equipment is by after certification and authentication, the segmentation that the program corresponding with described monitor data of encryption comprises is sent to terminal equipment, this not only ensure that the fail safe of the terminal equipment of access, and ensure that the fail safe of the sectional encryption program corresponding with monitor data sent to the terminal equipment by certification and authentication, user is made to learn the real time status of area to be monitored in family by terminal equipment, thus improve the fail safe of area to be monitored.
Embodiment two
The embodiment of the present invention two provides a kind of family watch-dog, and as shown in Figure 2 a, this equipment comprises: USB interface 210, conversion Multiplexing module 220, demultiplexing module 230, segmentation module 240, sectional encryption module 250 and program sending module 260.
Wherein, USB interface 210 is for obtaining the monitor data of the area to be monitored that described video capture device collects from video capture device; Conversion Multiplexing module 220, for described monitor data is carried out conversion multiplexing process, obtains transmission code stream; Demultiplexing module 230, for carrying out demultiplexing process to described transmission code stream, obtains the program corresponding with described monitor data; Segmentation module 240, for splitting the program corresponding with described monitor data, obtains the segmentation that the program corresponding with described monitor data comprises; Sectional encryption module 250 is encrypted for the segmentation comprised the program corresponding with described monitor data, and carries out certification and authentication to terminal equipment; Program sending module 260, for after terminal equipment is by certification and authentication, is sent to described terminal equipment by the segmentation that the program corresponding with described monitor data after encryption comprises.
Family's watch-dog that the embodiment of the present invention provides, TS stream is multiplexed with by the monitor data conversion of the area to be monitored collected by video capture device, again TS stream is demultiplexing as program corresponding to monitor data, the program corresponding to monitor data splits the segmentation obtaining program and comprise, the segmentation that program comprises is encrypted, improve the fail safe of each segmentation, and certification and authentication are carried out to terminal equipment, the segmentation that the program corresponding with described monitor data of encryption comprises, by after certification and authentication, is sent to terminal equipment by terminal equipment.This not only ensure that the fail safe of the terminal equipment of access, and ensure that the fail safe of the sectional encryption program corresponding with monitor data sent to the terminal equipment by certification and authentication, thus improves the fail safe of area to be monitored.
As a kind of execution mode of described conversion Multiplexing module 220, described conversion Multiplexing module 220 can comprise: coding unit 2201 and Multiplexing Unit 2202 (as shown in Figure 2 a).
Wherein, if coding unit 2201 is YUV for the form of described monitor data, then described monitor data is encoded to H.264 coded data; Multiplexing Unit 2202 is for being multiplexed with transmission code stream by described H.264 coded data.
As the another kind of execution mode of described conversion Multiplexing module 220, described conversion Multiplexing module 220 can comprise: transcoding units 2203 and Multiplexing Unit 2202 (as shown in Figure 2 b).
Wherein, if transcoding units 2203 is dynamic image expert group for the form of described monitor data, be then H.264 coded data by described monitor data transcoding; Multiplexing Unit 2202 is for being multiplexed with transmission code stream by described H.264 coded data.
In such scheme, described sectional encryption module 250 comprises: digital copyright management (Digital RightsManagement, DRM) unit 2501 and sectional encryption unit 2502.
Wherein, DRM unit 2501 is for dynamic generating content key; Sectional encryption unit 2502 is encrypted for utilizing the dynamic content key pair segmentation that the program corresponding with described monitor data comprises generated of described DRM unit 2501; Described DRM unit 2501 is also for carrying out certification and authentication to terminal equipment.
Particularly, the dynamic rise time of split time and content key can be preset, the rise time of the formation time of each segmentation and a dynamic content key is matched, thus the content key making different segmentations corresponding different, add decoding difficulty, ensure that the fail safe of area to be monitored.
Also the dynamic rise time of split time and content key can be preset, the formation time of segmentation of setting quantity and the rise time of a dynamic content key are matched, thus make the corresponding content key of the segmentation of current setting quantity, segmentation another content key corresponding of subsequent time setting quantity, add decoding difficulty, ensure that the fail safe of area to be monitored.
In such scheme, described program sending module 260 is HTTP (Hyper TextTransfer Protocol, HTTP) server, specifically for: after terminal equipment is by certification and authentication, obtain the program request that described terminal equipment sends, and program corresponding with described monitor data for this program request is mated; If the match is successful, then the segmentation that the program corresponding with described monitor data after encryption comprises is sent to described terminal equipment.
Family's watch-dog that the embodiment of the present invention provides can perform the method for family's monitoring that the embodiment of the present invention one provides, and possesses the corresponding functional module of manner of execution and beneficial effect.
Embodiment three
Fig. 3 is the frame diagram of a kind of household monitoring system that the embodiment of the present invention three provides, and as shown in Figure 3, this system comprises video capture device 310, video gateway equipment 320 and terminal equipment 330.
Wherein, monitor data, for gathering the monitor data of area to be monitored, is transferred to video gateway equipment 320 by USB interface by video capture device 310, and video gateway equipment 320 carries out conversion multiplexing process to by described monitor data, obtains transmission code stream; Demultiplexing process is carried out to described transmission code stream, obtains the program corresponding with described monitor data; The program corresponding to described monitor data is split, and obtains the segmentation that the program corresponding with described monitor data comprises; The segmentation that the program corresponding with described monitor data comprises is encrypted.
When terminal equipment 330 sends program request by wide area network or local area network (LAN) to video gateway equipment 320, video gateway equipment 320 pairs of terminal equipments 330 carry out certification and authentication, after terminal equipment 330 obtains certification and authentication, the program that the program request of video gateway equipment 320 pairs of terminal equipments 330 transmissions is corresponding with described monitor data mates; If the match is successful, then the segmentation that the program corresponding with described monitor data after encryption comprises is sent to described terminal equipment 330, terminal equipment 330 is decrypted the segmentation comprised to the program corresponding with described monitor data received, thus makes user watch the dynamic of area to be monitored on terminal equipment 330.
Last it is noted that above each embodiment is only for illustration of technical scheme of the present invention, but not be limited; In embodiment preferred embodiment, be not limited, to those skilled in the art, the present invention can have various change and change.All do within spirit of the present invention and principle any amendment, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. family's method for supervising, is characterized in that, comprising:
The monitor data of the area to be monitored that described video capture device collects is obtained from video capture device;
Described monitor data is carried out conversion multiplexing process, obtains transmission code stream;
Demultiplexing process is carried out to described transmission code stream, obtains the program corresponding with described monitor data;
The program corresponding with described monitor data is split, obtains the segmentation that the program corresponding with described monitor data comprises;
The segmentation that the program corresponding with described monitor data comprises is encrypted, and certification and authentication are carried out to terminal equipment;
After terminal equipment is by certification and authentication, the segmentation that the program corresponding with described monitor data after encryption comprises is sent to described terminal equipment.
2. method according to claim 1, is characterized in that, described monitor data is carried out conversion multiplexing process, obtains transmission code stream, comprising:
If the form of described monitor data is YUV, then described monitor data is encoded to H.264 coded data, and described H.264 coded data is multiplexed with transmission code stream;
If the form of described monitor data is dynamic image expert group, is then H.264 coded data by described monitor data transcoding, and described H.264 coded data is multiplexed with transmission code stream.
3. method according to claim 1 and 2, is characterized in that, is encrypted, comprises the segmentation that the program corresponding with described monitor data comprises:
Dynamic generating content key, and utilize pair segmentation that the program corresponding with described monitor data comprises of the content key of described dynamic generation to be encrypted.
4. method according to claim 3, is characterized in that, after terminal equipment is by certification and authentication, the segmentation that the program corresponding with described monitor data after encryption comprises is sent to described terminal equipment, comprises:
After terminal equipment is by certification and authentication, obtains the program request that described terminal equipment sends, and program corresponding with described monitor data for this program request is mated;
If the match is successful, then the segmentation that the program corresponding with described monitor data after encryption comprises is sent to described terminal equipment.
5. family's watch-dog, is characterized in that, comprising:
General-purpose serial bus USB interface, for obtaining the monitor data of the area to be monitored that described video capture device collects from video capture device;
Conversion Multiplexing module, for described monitor data is carried out conversion multiplexing process, obtains transmission code stream;
Demultiplexing module, for carrying out demultiplexing process to described transmission code stream, obtains the program corresponding with described monitor data;
Segmentation module, for splitting the program corresponding with described monitor data, obtains the segmentation that the program corresponding with described monitor data comprises;
Sectional encryption module, is encrypted for the segmentation comprised the program corresponding with described monitor data, and carries out certification and authentication to terminal equipment;
Program sending module, for after terminal equipment is by certification and authentication, is sent to described terminal equipment by the segmentation that the program corresponding with described monitor data after encryption comprises.
6. equipment according to claim 5, is characterized in that, described conversion Multiplexing module comprises:
Coding unit, if be YUV for the form of described monitor data, is then encoded to H.264 coded data by described monitor data;
Multiplexing Unit, for being multiplexed with transmission code stream by described H.264 coded data;
Or comprise:
Described monitor data transcoding if be dynamic image expert group for the form of described monitor data, is then H.264 coded data by transcoding units;
Multiplexing Unit, for being multiplexed with transmission code stream by described H.264 coded data.
7. the equipment according to claim 5 or 6, is characterized in that, described sectional encryption module comprises:
Digital copyright management DRM unit, for dynamic generating content key;
Sectional encryption unit, the content key pair segmentation that the program corresponding with described monitor data comprises dynamically generated for utilizing described DRM unit is encrypted;
Described DRM unit, also for carrying out certification and authentication to terminal equipment.
8. equipment according to claim 7, is characterized in that, described program sending module is HTTP http server, specifically for:
After terminal equipment is by certification and authentication, obtains the program request that described terminal equipment sends, and program corresponding with described monitor data for this program request is mated;
If the match is successful, then the segmentation that the program corresponding with described monitor data after encryption comprises is sent to described terminal equipment.
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